Product Details: The Euclid 3/8" King Pin is the perfect solution for reducing the cost of labor, time and equipment. This king pin is designed to meet or surpass both OE requirements and global quality standards, making it a reliable and durable choice. This king pin is easy-to-install, so you can get the job done quickly and efficiently. With its long-lasting performance, it is the perfect choice for any project. FleetPride is your First Click in Heavy Duty®.